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CVE-2021-34055

jhead 3.06 is vulnerable to Buffer Overflow via exif.c in function Put16u.

7.8 HighFix available

jhead 3.06 is vulnerable to Buffer Overflow via exif.c in function Put16u.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.46%Down 0.4 points since Nov 5, 2022
90%50%10%1%

What each source reports

NVD Score used 7.8

jhead 3.06 is vulnerable to Buffer Overflow via exif.c in function Put16u.

Record
CVE-2021-34055
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-120
Updated
2026-11-02
CVE List 7.8

jhead 3.06 is vulnerable to Buffer Overflow via exif.c in function Put16u.

Record
CVE-2021-34055
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-120
Updated
2026-11-02
EUVDEUVD-2021-20725 7.8

jhead 3.06 is vulnerable to Buffer Overflow via exif.c in function Put16u.

Record
EUVD-2021-20725
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-fxjw-w469-wq6w 7.8

jhead 3.06 is vulnerable to Buffer Overflow via exif.c in function Put16u.

jhead 3.06 is vulnerable to Buffer Overflow via exif.c in function Put16u.

Record
GHSA-fxjw-w469-wq6w
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-120
Updated
2026-11-02
OSV 7.8

jhead 3.06 is vulnerable to Buffer Overflow via exif.c in function Put16u.

Record
CVE-2021-34055
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2021-34055 7.8

jhead 3.06 is vulnerable to Buffer Overflow via exif.c in function Put16u.

Record
DEBIAN-CVE-2021-34055
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 5 moreShow less
OSVUBUNTU-CVE-2021-34055 7.8

jhead 3.06 is vulnerable to Buffer Overflow via exif.c in function Put16u.

Record
UBUNTU-CVE-2021-34055
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2022:10202-1 No score

Security update for jhead

This update for jhead fixes the following issues:

  • CVE-2021-34055: Fix out of bounds write in ClearOrientation() due to unchecked error (boo#1205167)
Record
openSUSE-SU-2022:10202-1
Updated
2026-11-02
OSVopenSUSE-SU-2022:10203-1 No score

Security update for jhead

This update for jhead fixes the following issues:

  • CVE-2021-34055: Fix out of bounds write in ClearOrientation() due to unchecked error (boo#1205167)
Record
openSUSE-SU-2022:10203-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:12499-1 No score

jhead-3.06.0.1-3.1 on GA media

These are all security issues fixed in the jhead-3.06.0.1-3.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:12499-1
Updated
2026-11-02
OSVUSN-6108-1 No score

Jhead vulnerabilities

It was discovered that Jhead did not properly handle certain crafted images while rotating them. An attacker could possibly use this issue to crash Jhead, resulting in a denial of service. (CVE-2021-34055)

Kyle Brown discovered that Jhead did not properly handle certain crafted images while regenerating the Exif thumbnail. An attacker could possibly use this issue to execute arbitrary commands. (CVE-2022-41751)

Record
USN-6108-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
jhead
Debian:12
 before 1:3.06.0.1-5
1:3.06.0.1-5
jhead
Debian:13
 before 1:3.06.0.1-5
1:3.06.0.1-5
jhead
Debian:14
 before 1:3.06.0.1-5
1:3.06.0.1-5
jhead
Debian:10
From an advisory covering 2 CVEs
 before 1:3.00-8+deb10u1, plus listed versions
1:3.00-8
1:3.00-8+deb10u1
jhead
Debian:11
From an advisory covering 2 CVEs
 before 1:3.04-6+deb11u1, plus listed versions
1:3.04-6
1:3.04-6+deb11u1
jhead
Ubuntu:Pro:14.04:LTS
 before 1:2.97-1+deb8u2ubuntu0.1~esm2, plus listed versions
1:2.97-11:2.97-1+deb8u1build0.14.04.11:2.97-1+deb8u2build0.14.04.1~esm11:2.97-1+deb8u2ubuntu0.1~esm1
1:2.97-1+deb8u2ubuntu0.1~esm2
jhead
Ubuntu:Pro:16.04:LTS
 before 1:3.00-4+deb9u1ubuntu0.1~esm2, plus listed versions
1:3.00-11:3.00-21:3.00-31:3.00-4+deb9u1build0.16.04.11:3.00-4+deb9u1ubuntu0.1~esm1
1:3.00-4+deb9u1ubuntu0.1~esm2
jhead
Ubuntu:18.04:LTS
 before 1:3.00-8~ubuntu0.2, plus listed versions
1:3.00-41:3.00-51:3.00-61:3.00-8~build0.18.04.11:3.00-8~ubuntu0.1
1:3.00-8~ubuntu0.2
jhead
Ubuntu:20.04:LTS
 before 1:3.04-1ubuntu0.2, plus listed versions
1:3.03-31:3.04-11:3.04-1ubuntu0.1
1:3.04-1ubuntu0.2
jhead
Ubuntu:22.04:LTS
 before 1:3.06.0.1-2ubuntu0.22.04.1, plus listed versions
1:3.04-61:3.06.0.1-2
1:3.06.0.1-2ubuntu0.22.04.1
Show 10 moreShow less
Affected packages
PackageAffectedFixed
jhead
Ubuntu:Pro:14.04:LTS
From an advisory covering 2 CVEs
 before 1:2.97-1+deb8u2ubuntu0.1~esm2, plus listed versions
1:2.97-11:2.97-1+deb8u1build0.14.04.11:2.97-1+deb8u2build0.14.04.1~esm11:2.97-1+deb8u2ubuntu0.1~esm1
1:2.97-1+deb8u2ubuntu0.1~esm2
jhead
Ubuntu:Pro:16.04:LTS
From an advisory covering 2 CVEs
 before 1:3.00-4+deb9u1ubuntu0.1~esm2, plus listed versions
1:3.00-11:3.00-21:3.00-31:3.00-4+deb9u1build0.16.04.11:3.00-4+deb9u1ubuntu0.1~esm1
1:3.00-4+deb9u1ubuntu0.1~esm2
jhead
Ubuntu:18.04:LTS
From an advisory covering 2 CVEs
 before 1:3.00-8~ubuntu0.2, plus listed versions
1:3.00-41:3.00-51:3.00-61:3.00-8~build0.18.04.11:3.00-8~ubuntu0.1
1:3.00-8~ubuntu0.2
jhead
Ubuntu:20.04:LTS
From an advisory covering 2 CVEs
 before 1:3.04-1ubuntu0.2, plus listed versions
1:3.03-31:3.04-11:3.04-1ubuntu0.1
1:3.04-1ubuntu0.2
jhead
Ubuntu:22.04:LTS
From an advisory covering 2 CVEs
 before 1:3.06.0.1-2ubuntu0.22.04.1, plus listed versions
1:3.04-61:3.06.0.1-2
1:3.06.0.1-2ubuntu0.22.04.1
jhead
SUSE:Package Hub 15 SP4
 before 3.06.0.1-bp154.2.6.1
3.06.0.1-bp154.2.6.1
jhead
openSUSE:Leap 15.4
 before 3.06.0.1-bp154.2.6.1
3.06.0.1-bp154.2.6.1
jhead
SUSE:Package Hub 15 SP3
 before 3.00-bp153.3.6.1
3.00-bp153.3.6.1
jhead
openSUSE:Leap 15.3
 before 3.00-bp153.3.6.1
3.00-bp153.3.6.1
jhead
openSUSE:Tumbleweed
 before 3.06.0.1-3.1
3.06.0.1-3.1

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-2021-34055 is a high vulnerability (CVSS 7.8) in Jhead Project Jhead, published November 4, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 39th percentile. Fixed in jhead 1:3.06.0.1-5.

References

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