7.5

CVE-2017-7507: gnu gnutls NULL Pointer Dereference

Modified
AliasesALPINE-CVE-2017-7507UBUNTU-CVE-2017-7507DEBIAN-CVE-2017-7507
Published 16-06-2017Last modified 05-08-2024

Vulnerability summary

CVE-2017-7507 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in gnu gnutls. EPSS estimates a 3.41% chance of exploitation in the next 30 days, higher than 88.8% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 3% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
3.41%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 4 · Related 4
MGASA-2017-0212RHSA-2017:2292SUSE-SU-2017:1838-1USN-3318-1CGA-267J-26QH-54FFCGA-GM79-F6Q3-4W93

Timeline

  1. 16-06-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

GnuTLS version 3.5.12 and earlier is vulnerable to a NULL pointer dereference while decoding a status response TLS extension with valid contents. This could lead to a crash of the GnuTLS server application.

CVSS metrics

7 scores · 6 sources · 2 versions

EPSS trend

Probability

3.41%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

No change 0.00 pp

From 3.41% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Alpine1 product
  • gnutls< 3.5.13-r0 | < 3.14.17-r1
Chainguard1 product
  • gnutlsAll versions (No fix recorded)
Debian1 product
  • gnutls28< 3.5.8-6 | < 3.5.8-5+deb9u1 | < 3.3.8-6+deb8u6
Gnu1 product
Gnutls1 product
Ubuntu1 product
  • gnutls28< 3.4.10-4ubuntu1.3
Wolfi1 product
  • gnutlsAll versions (No fix recorded)

7 vendors · 7 products

References

10 links