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CVE-2026-58063

BCFKS keystore load honours unbounded KDF cost from untrusted file

5.3 MediumFix available

In Bouncy Castle for Java before 1.85, BCFKS keystore load honours unbounded KDF cost from untrusted file. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Passive

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
Low

Exploit likelihood

0.42%Up 0.1 points since Aug 3, 2026
90%50%10%1%

What each source reports

CVE List Score used 5.3

BCFKS keystore load honours unbounded KDF cost from untrusted file

In Bouncy Castle for Java before 1.85, BCFKS keystore load honours unbounded KDF cost from untrusted file. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).

Record
CVE-2026-58063
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/U:Amber
Weakness
CWE-770
Updated
2026-11-02
EUVDEUVD-2026-52088 5.3

In Bouncy Castle for Java before 1.85, BCFKS keystore load honours unbounded KDF cost from untrusted file. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).

Record
EUVD-2026-52088
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/U:Amber
Updated
2026-11-02
GitHub AdvisoriesGHSA-jmxg-924w-f7mv 5.3

In Bouncy Castle for Java before 1.85, BCFKS keystore load honours unbounded KDF cost from...

In Bouncy Castle for Java before 1.85, BCFKS keystore load honours unbounded KDF cost from untrusted file. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).

Record
GHSA-jmxg-924w-f7mv
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness
CWE-770
Updated
2026-11-02
NVD 5.3

In Bouncy Castle for Java before 1.85, BCFKS keystore load honours unbounded KDF cost from untrusted file. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).

Record
CVE-2026-58063
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness
CWE-770
Updated
2026-11-02
OSV 5.3

BCFKS keystore load honours unbounded KDF cost from untrusted file

In Bouncy Castle for Java before 1.85, BCFKS keystore load honours unbounded KDF cost from untrusted file. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).

Record
CVE-2026-58063
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/U:Amber
Weakness
CWE-770
Updated
2026-11-02
OSVDEBIAN-CVE-2026-58063 5.3

In Bouncy Castle for Java before 1.85, BCFKS keystore load honours unbounded KDF cost from untrusted file. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).

Record
DEBIAN-CVE-2026-58063
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Updated
2026-11-02
Show 6 moreShow less
OSVUBUNTU-CVE-2026-58063 5.3

In Bouncy Castle for Java before 1.85, BCFKS keystore load honours unbounded KDF cost from untrusted file. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).

Record
UBUNTU-CVE-2026-58063
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/U:Amber
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Updated
2026-11-02
OSVopenSUSE-SU-2026:11445-1 No score

bouncycastle-1.85-1.1 on GA media

These are all security issues fixed in the bouncycastle-1.85-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:11445-1
Updated
2026-11-02
OSVopenSUSE-SU-2026:21538-1 No score

Security update for bouncycastle

This update for bouncycastle fixes the following issues:

Update to 1.85.

Security issues fixed:

  • CVE-2026-8763: Name Constraints bypass via trailing dot in rfc822Name and URI (bsc#1272700).
  • CVE-2026-12185: BKS/UBER keystore allocates from untrusted lengths before integrity check (bsc#1272701).
  • CVE-2026-12802: CMS AuthEnvelopedData fails to enforce tag-length on decryption (bsc#1272702).
  • CVE-2026-12803: KCCMBlockCipher MAC does not bind nonce when AAD is absent (bsc#1272703).
  • CVE-2026-12816: IESEngine stream-mode MAC forgery via length-dependent KDF split (bsc#1272704).
  • CVE-2026-12817: OpenPGP AEAD decryption skips final tag on chunk-aligned data (bsc#1272705).
  • CVE-2026-12852: MLS wire decoder allocates attacker-declared opaque length before bounds check (bsc#1272707).
  • CVE-2026-12860: RSA PKCS#1 verification skips last two hash bytes in NULL-omitted path (bsc#1272708).
  • CVE-2026-13506: Lazy ASN.1 sequence forcing resets nesting-depth guard (bsc#1272709).
  • CVE-2026-13586: PKCS#12 MAC and bag-decryption KDF iteration-count bound (bsc#1272710).
  • CVE-2026-14682: Possible OOM from unbounded up-front allocation on a definite-length read (bsc#1272711).
  • CVE-2026-15055: PKCS#8 / PBES2 decryptors honour unbounded KDF cost from input (bsc#1272712).
  • CVE-2026-58059: Quadratic-time escaping when stringifying X.500 distinguished names (bsc#1272713).
  • CVE-2026-58060: HSS public-key level count unbounded, enabling huge allocation on verify (bsc#1272714).
  • CVE-2026-58061: CCM-family modes write plaintext to caller buffer before tag check (bsc#1272715).
  • CVE-2026-58062: Stapled OCSP response accepted without binding to the checked certificate (bsc#1272716).
  • CVE-2026-58063: BCFKS keystore load honours unbounded KDF cost from untrusted file (bsc#1272717).
  • CVE-2026-59638: JSSE hostname verifier CN-fallback enabled by default despite documented opt-in (bsc#1272718).
  • CVE-2026-59639: CMS verifySignatures returns true for SignedData with zero signers (bsc#1272719).
  • CVE-2026-59640: OpenPGP CFB quick-check oracle active on symmetric/session-key paths (bsc#1272720).
  • CVE-2026-59641: S/MIME validator trusts signer-asserted signingTime for path validation (bsc#1272721).
  • CVE-2026-59642: CMS AuthenticatedData content not bound to MAC when authAttrs present (bsc#1272722).
  • CVE-2026-59643: OpenPGP inline-signature policy failures silently ignored (bsc#1272723).
  • CVE-2026-59644: MLS hash-ratchet honours arbitrary 32-bit generation counter from sender (bsc#1272724).
  • CVE-2026-59645: OER parser recurses without depth limit on self-referential IEEE 1609.2 schema (bsc#1272725).
  • CVE-2026-59646: DTLS handshake reassembler allocates buffer from unchecked 24-bit length (bsc#1272726).
  • CVE-2026-59647: CRMF/CMP password-MAC honours unbounded iteration count (bsc#1272727).
  • CVE-2026-59648: OpenPGP Argon2 S2K honours attacker-chosen memory and passes (bsc#1272728).
  • CVE-2026-59649: OpenPGP user-attribute subpacket length bounded only by JVM max memory (bsc#1272729).
  • CVE-2026-59650: MTI/A0 DH agreement exponentiates unvalidated peer value (bsc#1272730).
  • CVE-2026-59651: BKS keystore accepts legacy version with 16-bit integrity MAC key (bsc#1272731).
  • CVE-2026-59652: LDAP filter injection in legacy jdk1.4 LDAPStoreHelper (bsc#1272732).

Additional notes:

  • The standardised PQC algorithms ML-KEM, ML-DSA, SLH-DSA, FrodoKEM, and CMCE have been repackaged under org.bouncycastle.crypto and the versions under org.bouncycastle.crypto.pqc have been deprecated. These deprecated versions will be removed in BC 1.86.
Record
openSUSE-SU-2026:21538-1
Updated
2026-11-02
OSVSUSE-SU-2026:23127-1 No score

Security update for bouncycastle

This update for bouncycastle fixes the following issues:

Update to 1.85.

Security issues fixed:

  • CVE-2026-8763: Name Constraints bypass via trailing dot in rfc822Name and URI (bsc#1272700).
  • CVE-2026-12185: BKS/UBER keystore allocates from untrusted lengths before integrity check (bsc#1272701).
  • CVE-2026-12802: CMS AuthEnvelopedData fails to enforce tag-length on decryption (bsc#1272702).
  • CVE-2026-12803: KCCMBlockCipher MAC does not bind nonce when AAD is absent (bsc#1272703).
  • CVE-2026-12816: IESEngine stream-mode MAC forgery via length-dependent KDF split (bsc#1272704).
  • CVE-2026-12817: OpenPGP AEAD decryption skips final tag on chunk-aligned data (bsc#1272705).
  • CVE-2026-12852: MLS wire decoder allocates attacker-declared opaque length before bounds check (bsc#1272707).
  • CVE-2026-12860: RSA PKCS#1 verification skips last two hash bytes in NULL-omitted path (bsc#1272708).
  • CVE-2026-13506: Lazy ASN.1 sequence forcing resets nesting-depth guard (bsc#1272709).
  • CVE-2026-13586: PKCS#12 MAC and bag-decryption KDF iteration-count bound (bsc#1272710).
  • CVE-2026-14682: Possible OOM from unbounded up-front allocation on a definite-length read (bsc#1272711).
  • CVE-2026-15055: PKCS#8 / PBES2 decryptors honour unbounded KDF cost from input (bsc#1272712).
  • CVE-2026-58059: Quadratic-time escaping when stringifying X.500 distinguished names (bsc#1272713).
  • CVE-2026-58060: HSS public-key level count unbounded, enabling huge allocation on verify (bsc#1272714).
  • CVE-2026-58061: CCM-family modes write plaintext to caller buffer before tag check (bsc#1272715).
  • CVE-2026-58062: Stapled OCSP response accepted without binding to the checked certificate (bsc#1272716).
  • CVE-2026-58063: BCFKS keystore load honours unbounded KDF cost from untrusted file (bsc#1272717).
  • CVE-2026-59638: JSSE hostname verifier CN-fallback enabled by default despite documented opt-in (bsc#1272718).
  • CVE-2026-59639: CMS verifySignatures returns true for SignedData with zero signers (bsc#1272719).
  • CVE-2026-59640: OpenPGP CFB quick-check oracle active on symmetric/session-key paths (bsc#1272720).
  • CVE-2026-59641: S/MIME validator trusts signer-asserted signingTime for path validation (bsc#1272721).
  • CVE-2026-59642: CMS AuthenticatedData content not bound to MAC when authAttrs present (bsc#1272722).
  • CVE-2026-59643: OpenPGP inline-signature policy failures silently ignored (bsc#1272723).
  • CVE-2026-59644: MLS hash-ratchet honours arbitrary 32-bit generation counter from sender (bsc#1272724).
  • CVE-2026-59645: OER parser recurses without depth limit on self-referential IEEE 1609.2 schema (bsc#1272725).
  • CVE-2026-59646: DTLS handshake reassembler allocates buffer from unchecked 24-bit length (bsc#1272726).
  • CVE-2026-59647: CRMF/CMP password-MAC honours unbounded iteration count (bsc#1272727).
  • CVE-2026-59648: OpenPGP Argon2 S2K honours attacker-chosen memory and passes (bsc#1272728).
  • CVE-2026-59649: OpenPGP user-attribute subpacket length bounded only by JVM max memory (bsc#1272729).
  • CVE-2026-59650: MTI/A0 DH agreement exponentiates unvalidated peer value (bsc#1272730).
  • CVE-2026-59651: BKS keystore accepts legacy version with 16-bit integrity MAC key (bsc#1272731).
  • CVE-2026-59652: LDAP filter injection in legacy jdk1.4 LDAPStoreHelper (bsc#1272732).

Additional notes:

  • The standardised PQC algorithms ML-KEM, ML-DSA, SLH-DSA, FrodoKEM, and CMCE have been repackaged under org.bouncycastle.crypto and the versions under org.bouncycastle.crypto.pqc have been deprecated. These deprecated versions will be removed in BC 1.86.
Record
SUSE-SU-2026:23127-1
Updated
2026-11-02
OSVSUSE-SU-2026:23150-1 No score

Security update for bouncycastle

This update for bouncycastle fixes the following issues:

Update to 1.85.

Security issues fixed:

  • CVE-2026-8763: Name Constraints bypass via trailing dot in rfc822Name and URI (bsc#1272700).
  • CVE-2026-12185: BKS/UBER keystore allocates from untrusted lengths before integrity check (bsc#1272701).
  • CVE-2026-12802: CMS AuthEnvelopedData fails to enforce tag-length on decryption (bsc#1272702).
  • CVE-2026-12803: KCCMBlockCipher MAC does not bind nonce when AAD is absent (bsc#1272703).
  • CVE-2026-12816: IESEngine stream-mode MAC forgery via length-dependent KDF split (bsc#1272704).
  • CVE-2026-12817: OpenPGP AEAD decryption skips final tag on chunk-aligned data (bsc#1272705).
  • CVE-2026-12852: MLS wire decoder allocates attacker-declared opaque length before bounds check (bsc#1272707).
  • CVE-2026-12860: RSA PKCS#1 verification skips last two hash bytes in NULL-omitted path (bsc#1272708).
  • CVE-2026-13506: Lazy ASN.1 sequence forcing resets nesting-depth guard (bsc#1272709).
  • CVE-2026-13586: PKCS#12 MAC and bag-decryption KDF iteration-count bound (bsc#1272710).
  • CVE-2026-14682: Possible OOM from unbounded up-front allocation on a definite-length read (bsc#1272711).
  • CVE-2026-15055: PKCS#8 / PBES2 decryptors honour unbounded KDF cost from input (bsc#1272712).
  • CVE-2026-58059: Quadratic-time escaping when stringifying X.500 distinguished names (bsc#1272713).
  • CVE-2026-58060: HSS public-key level count unbounded, enabling huge allocation on verify (bsc#1272714).
  • CVE-2026-58061: CCM-family modes write plaintext to caller buffer before tag check (bsc#1272715).
  • CVE-2026-58062: Stapled OCSP response accepted without binding to the checked certificate (bsc#1272716).
  • CVE-2026-58063: BCFKS keystore load honours unbounded KDF cost from untrusted file (bsc#1272717).
  • CVE-2026-59638: JSSE hostname verifier CN-fallback enabled by default despite documented opt-in (bsc#1272718).
  • CVE-2026-59639: CMS verifySignatures returns true for SignedData with zero signers (bsc#1272719).
  • CVE-2026-59640: OpenPGP CFB quick-check oracle active on symmetric/session-key paths (bsc#1272720).
  • CVE-2026-59641: S/MIME validator trusts signer-asserted signingTime for path validation (bsc#1272721).
  • CVE-2026-59642: CMS AuthenticatedData content not bound to MAC when authAttrs present (bsc#1272722).
  • CVE-2026-59643: OpenPGP inline-signature policy failures silently ignored (bsc#1272723).
  • CVE-2026-59644: MLS hash-ratchet honours arbitrary 32-bit generation counter from sender (bsc#1272724).
  • CVE-2026-59645: OER parser recurses without depth limit on self-referential IEEE 1609.2 schema (bsc#1272725).
  • CVE-2026-59646: DTLS handshake reassembler allocates buffer from unchecked 24-bit length (bsc#1272726).
  • CVE-2026-59647: CRMF/CMP password-MAC honours unbounded iteration count (bsc#1272727).
  • CVE-2026-59648: OpenPGP Argon2 S2K honours attacker-chosen memory and passes (bsc#1272728).
  • CVE-2026-59649: OpenPGP user-attribute subpacket length bounded only by JVM max memory (bsc#1272729).
  • CVE-2026-59650: MTI/A0 DH agreement exponentiates unvalidated peer value (bsc#1272730).
  • CVE-2026-59651: BKS keystore accepts legacy version with 16-bit integrity MAC key (bsc#1272731).
  • CVE-2026-59652: LDAP filter injection in legacy jdk1.4 LDAPStoreHelper (bsc#1272732).

Additional notes:

  • The standardised PQC algorithms ML-KEM, ML-DSA, SLH-DSA, FrodoKEM, and CMCE have been repackaged under org.bouncycastle.crypto and the versions under org.bouncycastle.crypto.pqc have been deprecated. These deprecated versions will be removed in BC 1.86.
Record
SUSE-SU-2026:23150-1
Updated
2026-11-02
OSVSUSE-SU-2026:3559-1 No score

Security update for bouncycastle

This update for bouncycastle fixes the following issues:

  • CVE-2026-8763: Name Constraints bypass via trailing dot in rfc822Name and URI (bsc#1272700).
  • CVE-2026-12185: BKS/UBER keystore allocates from untrusted lengths before integrity check (bsc#1272701).
  • CVE-2026-12802: CMS AuthEnvelopedData fails to enforce tag-length on decryption (bsc#1272702).
  • CVE-2026-12803: KCCMBlockCipher MAC does not bind nonce when AAD is absent (bsc#1272703).
  • CVE-2026-12816: IESEngine stream-mode MAC forgery via length-dependent KDF split (bsc#1272704).
  • CVE-2026-12817: OpenPGP AEAD decryption skips final tag on chunk-aligned data (bsc#1272705).
  • CVE-2026-12852: MLS wire decoder allocates attacker-declared opaque length before bounds check (bsc#1272707).
  • CVE-2026-12860: RSA PKCS#1 verification skips last two hash bytes in NULL-omitted path (bsc#1272708).
  • CVE-2026-13506: Lazy ASN.1 sequence forcing resets nesting-depth guard (bsc#1272709).
  • CVE-2026-13586: PKCS#12 MAC and bag-decryption KDF iteration-count bound (bsc#1272710).
  • CVE-2026-14682: Possible OOM from unbounded up-front allocation on a definite-length read (bsc#1272711).
  • CVE-2026-15055: PKCS#8 / PBES2 decryptors honour unbounded KDF cost from input (bsc#1272712).
  • CVE-2026-58059: Quadratic-time escaping when stringifying X.500 distinguished names (bsc#1272713).
  • CVE-2026-58060: HSS public-key level count unbounded, enabling huge allocation on verify (bsc#1272714).
  • CVE-2026-58061: CCM-family modes write plaintext to caller buffer before tag check (bsc#1272715).
  • CVE-2026-58062: Stapled OCSP response accepted without binding to the checked certificate (bsc#1272716).
  • CVE-2026-58063: BCFKS keystore load honours unbounded KDF cost from untrusted file (bsc#1272717).
  • CVE-2026-59638: JSSE hostname verifier CN-fallback enabled by default despite documented opt-in (bsc#1272718).
  • CVE-2026-59639: CMS verifySignatures returns true for SignedData with zero signers (bsc#1272719).
  • CVE-2026-59640: OpenPGP CFB quick-check oracle active on symmetric/session-key paths (bsc#1272720).
  • CVE-2026-59641: S/MIME validator trusts signer-asserted signingTime for path validation (bsc#1272721).
  • CVE-2026-59642: CMS AuthenticatedData content not bound to MAC when authAttrs present (bsc#1272722).
  • CVE-2026-59643: OpenPGP inline-signature policy failures silently ignored (bsc#1272723).
  • CVE-2026-59644: MLS hash-ratchet honours arbitrary 32-bit generation counter from sender (bsc#1272724).
  • CVE-2026-59645: OER parser recurses without depth limit on self-referential IEEE 1609.2 schema (bsc#1272725).
  • CVE-2026-59646: DTLS handshake reassembler allocates buffer from unchecked 24-bit length (bsc#1272726).
  • CVE-2026-59647: CRMF/CMP password-MAC honours unbounded iteration count (bsc#1272727).
  • CVE-2026-59648: OpenPGP Argon2 S2K honours attacker-chosen memory and passes (bsc#1272728).
  • CVE-2026-59649: OpenPGP user-attribute subpacket length bounded only by JVM max memory (bsc#1272729).
  • CVE-2026-59650: MTI/A0 DH agreement exponentiates unvalidated peer value (bsc#1272730).
  • CVE-2026-59651: BKS keystore accepts legacy version with 16-bit integrity MAC key (bsc#1272731).
  • CVE-2026-59652: LDAP filter injection in legacy jdk1.4 LDAPStoreHelper (bsc#1272732).

Changes for bouncycastle:

Update to 1.85:

  • Additional Notes:

The standardised PQC algorithms ML-KEM, ML-DSA, SLH-DSA, FrodoKEM, and CMCE have been repackaged under org.bouncycastle.crypto and the versions under org.bouncycastle.crypto.pqc have been deprecated. These deprecated versions will be removed in BC 1.86.

Record
SUSE-SU-2026:3559-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
bouncycastle
Debian:12
 All versions, plus listed versions
1.72-21.77-11.80-11.80-21.80-31.86-1
 None known
bouncycastle
Debian:13
 All versions, plus listed versions
1.80-31.86-1
 None known
bouncycastle
Debian:14
 before 1.86-1, plus listed versions
1.80-3
1.86-1
bouncycastle
SUSE:Linux Enterprise Server 16.0
From an advisory covering 32 CVEs
 before 1.85-160000.1.1
1.85-160000.1.1
bouncycastle
SUSE:Linux Enterprise Server for SAP applications 16.0
From an advisory covering 32 CVEs
 before 1.85-160000.1.1
1.85-160000.1.1
bouncycastle
SUSE:Linux Enterprise Module for Development Tools 15 SP7
From an advisory covering 32 CVEs
 before 1.85-150200.3.38.1
1.85-150200.3.38.1
bouncycastle
SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS
From an advisory covering 32 CVEs
 before 1.85-150200.3.38.1
1.85-150200.3.38.1
bouncycastle
SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS
From an advisory covering 32 CVEs
 before 1.85-150200.3.38.1
1.85-150200.3.38.1
bouncycastle
SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS
From an advisory covering 32 CVEs
 before 1.85-150200.3.38.1
1.85-150200.3.38.1
bouncycastle
SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS
From an advisory covering 32 CVEs
 before 1.85-150200.3.38.1
1.85-150200.3.38.1
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Affected packages
PackageAffectedFixed
bouncycastle
SUSE:Linux Enterprise Server 15 SP4-LTSS
From an advisory covering 32 CVEs
 before 1.85-150200.3.38.1
1.85-150200.3.38.1
bouncycastle
SUSE:Linux Enterprise Server 15 SP5-LTSS
From an advisory covering 32 CVEs
 before 1.85-150200.3.38.1
1.85-150200.3.38.1
bouncycastle
SUSE:Linux Enterprise Server 15 SP6-LTSS
From an advisory covering 32 CVEs
 before 1.85-150200.3.38.1
1.85-150200.3.38.1
bouncycastle
SUSE:Linux Enterprise Server for SAP Applications 15 SP4
From an advisory covering 32 CVEs
 before 1.85-150200.3.38.1
1.85-150200.3.38.1
bouncycastle
SUSE:Linux Enterprise Server for SAP Applications 15 SP5
From an advisory covering 32 CVEs
 before 1.85-150200.3.38.1
1.85-150200.3.38.1
bouncycastle
SUSE:Linux Enterprise Server for SAP Applications 15 SP6
From an advisory covering 32 CVEs
 before 1.85-150200.3.38.1
1.85-150200.3.38.1
bouncycastle
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
1.49+dfsg-3ubuntu11.51-4ubuntu11.51-4ubuntu1+esm1
 None known
bouncycastle
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
1.57-11.58-11.59-11.59-1ubuntu0.1~esm1
 None known
bouncycastle
Ubuntu:Pro:20.04:LTS
 All versions, plus listed versions
1.61-11.61-1ubuntu0.1~esm1
 None known
bouncycastle
Ubuntu:Pro:22.04:LTS
 All versions, plus listed versions
1.68-21.68-41.68-51.68-5ubuntu0.1~esm1
 None known
bouncycastle
Ubuntu:Pro:24.04:LTS
 All versions, plus listed versions
1.72-21.77-11.77-1ubuntu0.1~esm1
 None known
bouncycastle
Ubuntu:26.10
 All versions, plus listed versions
1.80-3
 None known
bouncycastle
Ubuntu:26.04:LTS
 All versions, plus listed versions
1.80-3
 None known
bouncycastle
openSUSE:Tumbleweed
From an advisory covering 32 CVEs
 before 1.85-1.1
1.85-1.1
bouncycastle
openSUSE:Leap 16.0
From an advisory covering 32 CVEs
 before 1.85-160000.1.1
1.85-160000.1.1

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-58063 is a medium vulnerability (CVSS 5.3) in Bouncycastle Bouncy Castle For Java Lts, published August 3, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.42%, the 36th percentile. Fixed in bouncycastle 1.86-1.

References

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