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CVE-2020-19491

There is an invalid memory access bug in cgif.c that leads to a Segmentation fault in sam2p 0.49...

7.8 High

CVE-2020-19491 is a high vulnerability (CVSS 7.8) in Sam2p Project Sam2p, published July 21, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.00%, the 63rd percentile. No source names a fixed version.

What does this mean?
Severity
7.8 HighCVSS 3.1, NVD
Exploit chance
1.00%EPSS, 63rd percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

There is an invalid memory access bug in cgif.c that leads to a Segmentation fault in sam2p 0.49.4. A crafted input will lead to a denial of service or possibly unspecified other impact.

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

1.00%Up 0.2 points since Jul 22, 2021
90%50%10%1%

Affected products

Affected packages

Affected packages
PackageAffectedFixed
sam2p
Ubuntu:14.04:LTS
All versions, plus listed versions
0.49.1-10.49.2-20.49.2-3+deb8u3build0.14.04.1
None known
sam2p
Ubuntu:16.04:LTS
All versions, plus listed versions
0.49.2-30.49.2-3+deb8u3build0.16.04.1
None known

What each source reports

NVD Score used7.8

There is an invalid memory access bug in cgif.c that leads to a Segmentation fault in sam2p 0.49.4. A crafted input will lead to a denial of service or possibly unspecified other impact.

Record
CVE-2020-19491
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-787
Updated
2026-11-02
CVE ListNo score

There is an invalid memory access bug in cgif.c that leads to a Segmentation fault in sam2p 0.49.4. A crafted input will lead to a denial of service or possibly unspecified other impact.

Record
CVE-2020-19491
Updated
2026-11-02
EUVDEUVD-2020-11395No score

There is an invalid memory access bug in cgif.c that leads to a Segmentation fault in sam2p 0.49.4. A crafted input will lead to a denial of service or possibly unspecified other impact.

Record
EUVD-2020-11395
Updated
2026-11-03
GitHub AdvisoriesGHSA-qp4r-f3q5-qpqr7.8

There is an invalid memory access bug in cgif.c that leads to a Segmentation fault in sam2p 0.49...

There is an invalid memory access bug in cgif.c that leads to a Segmentation fault in sam2p 0.49.4. A crafted input will lead to a denial of service or possibly unspecified other impact.

Record
GHSA-qp4r-f3q5-qpqr
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-119
Updated
2026-11-02
OSV7.8

There is an invalid memory access bug in cgif.c that leads to a Segmentation fault in sam2p 0.49.4. A crafted input will lead to a denial of service or possibly unspecified other impact.

Record
CVE-2020-19491
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
OSVUBUNTU-CVE-2020-194917.8

There is an invalid memory access bug in cgif.c that leads to a Segmentation fault in sam2p 0.49.4. A crafted input will lead to a denial of service or possibly unspecified other impact.

Record
UBUNTU-CVE-2020-19491
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

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

References

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